Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847450 | Stress graded electrical bushing and method of making same | — | 1989-07-11 |
| 4738318 | Electrical stress control | Bodo Boettcher | 1988-04-19 |
| 4629277 | Electrical apparatus | Bodo Boettcher | 1986-12-16 |